Do not be fooled by the size of this Lone Star tick, as it's thought to be responsible for the rising cases of meat allergies in the US. 

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According to Yahoo News, University of Virginia researchers believe that the tick's saliva might have something to do with triggering the allergic reaction to meat in humans:
"People will eat beef and then anywhere from three to six hours later start having a reaction; anything from hives to full-blown anaphylactic shock," said Dr. Scott Commins, assistant professor of medicine at the University of Virginia in Charlottesville. "And most people want to avoid having the reaction, so they try to stay away from the food that triggers it."

"It's hard to prove," he said of the link between lone star ticks and meat allergies. "We're still searching for the mechanism."